This is a tool for adding CSS affixes,Its runtime depends on the webpack packaging environment。

npm install --save-dev custom-affix-css-loader

        loaders:[
            {   
                test: /\.css$/,  
                loader: 'style-loader!css-loader!custom-affix-css-loader?{"type":"css","pre":"pre","suf":"suf"}'  
            },  
            {   
                test: /\.html$/,  
                loader: 'html-loader!custom-affix-css-loader?{"type":"html","pre":"pre","suf":"suf"}'  
            }  
        ]  

    .container {
        background: #FFF;
    }

after packing:

    .pre-container-suf {
        background: #FFF;
    }

(html)for example:

    <div class="container"></div>

after packing:

    <div class="pre-container-suf"></div>